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Finding the Fourth Proportional to 104,820.60, 157,230.90 and 103,092.60

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Solution

The fourth proportional to 104,820.60, 157,230.90 and 103,092.60 is: 154,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.60 : 157,230.90 = 103,092.60 : x
  2. Step 2: Convert to fraction form
    104,820.60/157,230.90 = 103,092.60/x
  3. Step 3: Cross multiply
    104,820.60x = 157,230.90 × 103,092.60
  4. Step 4: Simplify right side
    104,820.60x = 16,209,342,281.34
  5. Step 5: Solve for x
    x = 16,209,342,281.34/104,820.60
  6. Step 6: Final answer
    x = 154,638.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.